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 Showing results 1 to 25 of 1000 Search took 0.44 seconds. Search: Posts Made By: henryzz
 Forum: Factoring 2022-08-08, 16:16 Replies: 25 Views: 1,713 Posted By henryzz Interesting. I have modified bur's pari gp code... Interesting. I have modified bur's pari gp code to support the new form and to detect loops(not the length) tau(n) = { t = 1; f = factor(n); for(i = 1, matsize(f)[1], t *= f[i,2]+1 ); ...
 Forum: NFS@Home 2022-07-15, 11:53 Replies: 5 Views: 324 Posted By henryzz Are there any possible compensations that can be... Are there any possible compensations that can be done for a polynomial like this? Would composite special qs including one or more of the rare small primes(plus a larger prime?) be a possible option?
 Forum: Factoring 2022-06-12, 10:44 Replies: 25 Views: 1,713 Posted By henryzz I misread your posts and thought that example was... I misread your posts and thought that example was on the original definition. Based on your revised definition: 3^2*p^2*q^2*r^2 3^2*p^2*q^8 3^2*p^26 All terminate with a length 1 cycle. The...
 Forum: Factoring 2022-06-11, 20:33 Replies: 25 Views: 1,713 Posted By henryzz Many cases seem to provably terminate. Many... Many cases seem to provably terminate. Many cycles are also provable. There is a fairly obvious cycle that occurs for all primes > 2. (p -> 2*p -> 8*p -> p) @Villiam 75 goes to 450 not...
 Forum: GPU Computing 2022-06-07, 15:21 Replies: 7 Views: 718 Posted By henryzz Would it possible to power the gpu using a... Would it possible to power the gpu using a separate power supply? A second power supply can be used if you use something like...
 Forum: Software 2022-06-05, 12:48 Replies: 6 Views: 920 Posted By henryzz Congrats on getting this to compile. I have tried... Congrats on getting this to compile. I have tried 2-3 times and failed. Is there any chance you could write up exactly how you did it so that others can do it in the future? If you...
 Forum: Factoring 2022-05-30, 08:22 Replies: 29 Views: 34,641 Posted By henryzz Based on the output I am 90% sure that is Yafu... Based on the output I am 90% sure that is Yafu output. The scaling is also off what I would expect which suggests that parameters are suboptimal to me.
 Forum: Software 2022-05-25, 12:32 Replies: 663 Views: 58,258 Posted By henryzz If multiple factors are found you will just get a... If multiple factors are found you will just get a composite factor found which is probably trivially factored.
 Forum: GpuOwl 2022-04-25, 13:20 Replies: 34 Views: 3,384 Posted By henryzz According to... According to https://www.anandtech.com/show/15978/micron-spills-on-gddr6x-pam4-signaling-for-higher-rates-coming-to-nvidias-rtx-3090 GDDR6X would actually be better named GQDR6X. Maybe the quad data...
 Forum: Msieve 2022-04-12, 13:06 Replies: 2,228 Views: 227,439 Posted By henryzz No. This would be a nice way of doing it although... No. This would be a nice way of doing it although it requires knowing the set of numbers to factorise prior to starting. The method currently available to the forum involves using the normal...
 Forum: Msieve 2022-04-12, 10:03 Replies: 2,228 Views: 227,439 Posted By henryzz I was more envisoning using the cado siever and... I was more envisoning using the cado siever and running it as a forum project as I believe it would be more robust to the odd parameterisations that this would generate. For example putting 4x^8 +...
 Forum: Msieve 2022-04-11, 19:40 Replies: 2,228 Views: 227,439 Posted By henryzz Are there any slightly larger candidates with the... Are there any slightly larger candidates with the same algebraic polynomials that would be best as snfs? I wonder whether there is any sense in attempting a nfs factory approach to factoring them. ...
 Forum: Factoring 2022-04-10, 07:46 Replies: 1,015 Views: 143,460 Posted By henryzz Factoring... Factoring 1528152860898312226820507829734311038694803153043007 ^ 5 - 1 has reduced the proof for 13^4 to 2500 to a third of its previous size(15.6M stat_rec vs 46.4M stat_rec). Currently have 7/15...
 Forum: NFS@Home 2022-04-06, 13:18 Replies: 126 Views: 15,917 Posted By henryzz Exactly edit: By default it does. I think... Exactly edit: By default it does. I think it now aims to not care. You could even have two algebraic I think.
 Forum: NFS@Home 2022-04-06, 10:19 Replies: 126 Views: 15,917 Posted By henryzz I have edited my post to add the SNFS... I have edited my post to add the SNFS difficulty(yes SNFS 204) and change lss: 0 to lss: 1. We definitely want to sieve on the rational side.
 Forum: NFS@Home 2022-04-06, 09:12 Replies: 126 Views: 15,917 Posted By henryzz QUEUED AS 152__007_5m1 SNFS for OPN... QUEUED AS 152__007_5m1 SNFS for OPN candidate 1528152860898312226820507829734311038694803153043007 ^ 5 - 1 ECMed 4200+ curves at 26e7 # SNFS difficulty is 204.737 which is approximately...
 Forum: Factoring 2022-04-05, 04:18 Replies: 1,015 Views: 143,460 Posted By henryzz Sounds like the sieve region should be altered to... Sounds like the sieve region should be altered to 40M-100M. This reduces the estimated relations to 204M. This is still on the high side but I have read large quartics have a higher dup rate.
 Forum: Factoring 2022-04-03, 20:44 Replies: 1,015 Views: 143,460 Posted By henryzz Have done some test sieving for this number with... Have done some test sieving for this number with 14e. lpbr/a combinations of 31/31, 31/30 and 30/30 provide 4180, 3274 and 2252 relations respectively (test sieve at q=70M). Speed is very similar....
 Forum: Factoring 2022-03-30, 19:31 Replies: 1,015 Views: 143,460 Posted By henryzz How much ECM should be done on this candidate... How much ECM should be done on this candidate given it will be a quartic? Have run 1280 curves at B1=80000000, B2=288621393076 assisted by my GPU. This plus other smaller work leaves it at 1.5x t45...
 Forum: Factoring 2022-03-29, 09:50 Replies: 1,015 Views: 143,460 Posted By henryzz Does anyone have an ECM status for... Does anyone have an ECM status for 1528152860898312226820507829734311038694803153043007^5-1? This would shorten the proof for 13 quite a bit. 1528152860898312226820507829734311038694803153043007...
 Forum: GPU Computing 2022-03-26, 09:41 Replies: 381 Views: 64,143 Posted By henryzz That seems to compile and run. I am not sure I... That seems to compile and run. I am not sure I triggered those codepaths though.
 Forum: GpuOwl 2022-03-25, 09:43 Replies: 33 Views: 1,697 Posted By henryzz I have CUDA working flawlessly. When I got CUDA... I have CUDA working flawlessly. When I got CUDA working I tried and failed to get OpenCL working. That was very early days for WSL2 GPU acceleration though(Windows preview).
 Forum: GPU Computing 2022-03-23, 22:49 Replies: 381 Views: 64,143 Posted By henryzz The error in post #376 still exists. Once I... The error in post #376 still exists. Once I avoided that(not sure if I correctly did) it compiles and runs. I think Q is probably wrongly typed. Taking the absolute value of an unsigned integer...
 Forum: YAFU 2022-03-22, 09:24 Replies: 16 Views: 971 Posted By henryzz Not aware of this being available. For numbers... Not aware of this being available. For numbers that could vaguely benefit from this cado probably isn't a bad option.
 Forum: Factoring 2022-03-17, 09:37 Replies: 144 Views: 17,767 Posted By henryzz If thats the case then a kernal benchmark would... If thats the case then a kernal benchmark would be useful that identifies the fastest kernels for each card. I currently have a version with all the possible kernals added upto 300 digits or so.
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